make python app load a bit eariler, making startup a bit faster

Azaion.CommonSecurity/DTO/ApiCredentials.cs

@@ -1,7 +1,16 @@
-namespace Azaion.CommonSecurity.DTO;
+using MessagePack;
 
+namespace Azaion.CommonSecurity.DTO;
+
+[MessagePackObject]
 public class ApiCredentials(string email, string password) : EventArgs
 {
+    [Key(nameof(Email))]
     public string Email { get; set; } = email;
+
+    [Key(nameof(Password))]
     public string Password { get; set; } = password;
+
+    [Key(nameof(Folder))]
+    public string Folder { get; set; } = null!;
 }

Azaion.CommonSecurity/DTO/Commands/RemoteCommand.cs

@@ -3,22 +3,36 @@
 namespace Azaion.CommonSecurity.DTO.Commands;
 
 [MessagePackObject]
-public class RemoteCommand(CommandType commandType, string? filename = null, byte[]? data = null)
+public class RemoteCommand(CommandType commandType, byte[]? data = null)
 {
     [Key("CommandType")]
     public CommandType CommandType { get; set; } = commandType;
 
-    [Key("Filename")]
-    public string? Filename { get; set; } = filename;
-
     [Key("Data")]
     public byte[]? Data { get; set; } = data;
+
+    public static byte[] Serialize<T>(CommandType commandType, T data) where T : class
+    {
+        var dataBytes = MessagePackSerializer.Serialize(data);
+        return MessagePackSerializer.Serialize(new RemoteCommand(commandType, dataBytes ));
+    }
 }
 
+[MessagePackObject]
+public class LoadFileData(string filename, string? folder = null )
+{
+    [Key(nameof(Folder))]
+    public string? Folder { get; set; } = folder;
+
+    [Key(nameof(Filename))]
+    public string Filename { get; set; } = filename;
+}
+
+
 public enum CommandType
 {
     None = 0,
-    GetUser = 10,
+    Login = 10,
     Load = 20,
     Inference = 30,
     StopInference = 40,

Azaion.CommonSecurity/DTO/User.cs

@@ -6,8 +6,8 @@ namespace Azaion.CommonSecurity.DTO;
 [MessagePackObject]
 public class User
 {
-    [Key("i")]public string Id { get; set; }
-    [Key("e")]public string Email { get; set; }
+    [Key("i")] public string Id { get; set; } = "";
+    [Key("e")] public string Email { get; set; } = "";
     [Key("r")]public RoleEnum Role { get; set; }
 
     //For deserializing

Azaion.CommonSecurity/Services/PythonResourceLoader.cs

@@ -10,7 +10,7 @@ namespace Azaion.CommonSecurity.Services;
 
 public interface IResourceLoader
 {
-    MemoryStream LoadFileFromPython(string fileName);
+    MemoryStream LoadFileFromPython(string fileName, string? folder = null);
     void StopPython();
 }
 
@@ -25,29 +25,22 @@ public class PythonResourceLoader : IResourceLoader, IAuthProvider
     private readonly DealerSocket _dealer = new();
     private readonly Guid _clientId = Guid.NewGuid();
 
-    public User CurrentUser { get; }
+    public User CurrentUser { get; set; }
 
-    public PythonResourceLoader(ApiConfig apiConfig, ApiCredentials credentials, AzaionApiClient api)
+    public PythonResourceLoader()
     {
-        StartPython(apiConfig, credentials);
+        StartPython();
         _dealer.Options.Identity = Encoding.UTF8.GetBytes(_clientId.ToString("N"));
         _dealer.Connect($"tcp://{SecurityConstants.ZMQ_HOST}:{SecurityConstants.ZMQ_PORT}");
-
-        _dealer.SendFrame(MessagePackSerializer.Serialize(new RemoteCommand(CommandType.GetUser)));
-        var user = _dealer.Get<User>();
-        if (user == null)
-            throw new Exception("Can't get user from Auth provider");
-
-        CurrentUser = user;
     }
 
-    private void StartPython( ApiConfig apiConfig, ApiCredentials credentials)
+    private void StartPython()
     {
         using var process = new Process();
         process.StartInfo = new ProcessStartInfo
         {
             FileName = SecurityConstants.AZAION_INFERENCE_PATH,
-            Arguments = $"-e {credentials.Email} -p {credentials.Password} -f {apiConfig.ResourcesFolder}",
+            //Arguments = $"-e {credentials.Email} -p {credentials.Password} -f {apiConfig.ResourcesFolder}",
             //UseShellExecute = false,
             //RedirectStandardOutput = true,
             // RedirectStandardError = true,
@@ -59,17 +52,27 @@ public class PythonResourceLoader : IResourceLoader, IAuthProvider
         process.Start();
     }
 
+    public void Login(ApiCredentials credentials)
+    {
+        _dealer.SendFrame(RemoteCommand.Serialize(CommandType.Login, credentials));
+        var user = _dealer.Get<User>();
+        if (user == null)
+            throw new Exception("Can't get user from Auth provider");
+
+        CurrentUser = user;
+    }
+
     public void StopPython()
     {
         _dealer.SendFrame(MessagePackSerializer.Serialize(new RemoteCommand(CommandType.Exit)));
-        _dealer?.Close();
+        _dealer.Close();
     }
 
-    public MemoryStream LoadFileFromPython(string fileName)
+    public MemoryStream LoadFileFromPython(string fileName, string? folder = null)
     {
         try
         {
-            _dealer.SendFrame(MessagePackSerializer.Serialize(new RemoteCommand(CommandType.Load, fileName)));
+            _dealer.SendFrame(RemoteCommand.Serialize(CommandType.Load, new LoadFileData(fileName, folder)));
 
             if (!_dealer.TryReceiveFrameBytes(TimeSpan.FromSeconds(3), out var bytes))
                 throw new Exception($"Unable to receive {fileName}");